45629904809 has 4 divisors (see below), whose sum is σ = 45644315904. Its totient is φ = 45615493716.

The previous prime is 45629904779. The next prime is 45629904829. The reversal of 45629904809 is 90840992654.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45629904809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45629904829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7200797 + ... + 7207130.

It is an arithmetic number, because the mean of its divisors is an integer number (11411078976).

Almost surely, 2^45629904809 is an apocalyptic number.

It is an amenable number.

45629904809 is a deficient number, since it is larger than the sum of its proper divisors (14411095).

45629904809 is a wasteful number, since it uses less digits than its factorization.

45629904809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14411094.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 45629904809 in words is "forty-five billion, six hundred twenty-nine million, nine hundred four thousand, eight hundred nine".